June 2000 - Zope - Zope lists

Object URLs like Zope with Java servlets / EJBs?
by Hamish Lawson 22 Jun '00

22 Jun '00

Are there any Zopistas with experience also of Java servlets/EJBs? >From my reading so far I get the impression that servlets/EJBs roughly correspond to Zope's products. What I'm not sure is whether any Java app servers have Zope's concept of having URL paths to object instances, or whether they only provide URLs to the servlets/EJBs themselves, with passed parameters being used instead to specify a particular instance? Hamish Lawson ____________________________________________________________ Do You Yahoo!? Get your free @yahoo.co.uk address at http://mail.yahoo.co.uk or your free @yahoo.ie address at http://mail.yahoo.ie

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Fwd: Re: [Zope-dev] ZEO on NT? update
by julio dinis 22 Jun '00

22 Jun '00

>From: "julio dinis" <juliodinis(a)hotmail.com> >To: zope-dev(a)zope.org >Subject: Re: [Zope-dev] ZEO on NT? update >Date: Thu, 22 Jun 2000 14:05:07 PDT > >Ok. :-) > >Continuing with the ZODB.POSException.Conflit... > >Now I know the problem with Zeo on NT is with the ClientStorage >and not with the ServerStorage. >You ask why? Because Ive tested different setup to come to this >conclusion. > > >ZSS - Zeo Storage Server >ZCS - Zeo Client Storage > >1- First setup: > >Machine 1: Running ZSS on NT >Machine 2: Runninc ZCS on NT >Machine 3: Running ZCS on NT > >Conclusion: with this setup clients ARE NOT able to view/write changes >to objects changed by other clients. > >2- Second Setup: > >Machine 1: Running ZSS on Linux >Machine 2: Runninc ZCS on NT >Machine 3: Running ZCS on NT > >Conclusion: with this setup clients ARE NOT able to view/write changes >to objects changed by other clients. > >3- third Setup: > >Machine 1: Running ZSS on NT >Machine 2: Runninc ZCS on Linux >Machine 3: Running ZCS on Linux > >Conclusion: with this setup clients ARE able to view/write changes >to objects changed by other clients. > >4- Fourth Setup: > >Machine 1: Running ZSS on NT >Machine 2: Runninc ZCS on Linux >Machine 3: Running ZCS on Linux >Machine 4: Running ZCS on NT >Machine 5: Running ZCS on NT > >Conclusion: with this setup ALL LINUX clients ARE able to view/write >changes to objects changed by other clients. All NT clients ARE NOT able to >view/write objects changed by other clients. > >NT clients can view/write objects that have never been changed. But >cant viewchanges/change objects changed by other clients. However >linux clients can viewchanges/change objects changed by other NT and Linux >clients. > >So my conclusion is that there is a problem with Zeo Clients on NT. >And I guess is related with the invalidator, the NT clients cant >see changes others do to objects, or something is just a guess. >I'm using cPickle.pyd which is cPickle.so on Linux. Maybe there >is a diference with this shared object from Linux to Nt. > >I'm using the win32 version of Zope2.2.0b1, and ZEO-0.2. > >Ok, ./dig_resume > >Julio Dinis Silva > > > >>From: "julio dinis" <juliodinis(a)hotmail.com> >>To: zope-dev(a)zope.org >>Subject: [Zope-dev] ZEO on NT? update >>Date: Thu, 22 Jun 2000 09:37:31 PDT >> >>Hi, >> >>I can see now that the problem is not per Data.fs but per object. >>The problem isnt that 2nd Client to run cant write do Data.fs, I found >>that its a per object conflict and not Data.fs, both clients can >>write to the ZSS but once client B writes to object X, Client A will >>never see the changes neither change the object X, but is capable of >>changing other objects. >> >>Objects changed buy Client B become "locked" for client A and viceversa. >> >>Anyone testing ZEO? >>Best Regards, >>Júlio Dinis Silva >>________________________________________________________________________ >>Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com >> >> >>_______________________________________________ >>Zope-Dev maillist - Zope-Dev(a)zope.org >>http://lists.zope.org/mailman/listinfo/zope-dev >>** No cross posts or HTML encoding! ** >>(Related lists - http://lists.zope.org/mailman/listinfo/zope-announce >>http://lists.zope.org/mailman/listinfo/zope ) >> > >________________________________________________________________________ >Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com > > >_______________________________________________ >Zope-Dev maillist - Zope-Dev(a)zope.org >http://lists.zope.org/mailman/listinfo/zope-dev >** No cross posts or HTML encoding! ** >(Related lists - http://lists.zope.org/mailman/listinfo/zope-announce >http://lists.zope.org/mailman/listinfo/zope ) > ________________________________________________________________________ Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com

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RE: [Zope] Select Box Problem
by caseman＠mad.scientist.com 22 Jun '00

22 Jun '00

>The entire form is in a <dtml-in> that has a customerid value. I would like >to have the current customer show up in this box. How would I tell the >select box to select the current custoemer as default? I had a similar issue on a form I created. There are basically two ways to make this work. One is server-side the other using JavaScript. I chose the former for mine. I simply just inserted the chosen selection as the first item in the list then followed it with the query data. Assuming when the form is rendered there is a REQUEST variable customerid as your example it would look something like this: <select name=customerId> <dtml-in sql_getCustomerName> <option value=<dtml-var customerId>><dtml-var firstName> <dtml-var lastName> </dtml-in> <dtml-in "sql_getCustomers(omit=customerId)"> <option value=<dtml-var customerId>><dtml-var firstName> <dtml-var lastName> </dtml-in> </select> This should do it. The first query (sql_getCustomerName) will return one record of the customer info by customerId. This returns the current customer's name for the list. The second query (sql_getCustomers) returns every customer except the one specified by omit. The omit argument could be made optional to return all in other instances. Hope that helps, Casey Duncan

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Stupid question of the day
by Andy McKay 22 Jun '00

22 Jun '00

How do I find the size of the results returned by the catalog?

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newbie question
by Alexander N Gould 22 Jun '00

22 Jun '00

Now that I've set up some virtual hosts off my zserver, I have another question. These sites (each in a folder in the zope DB) share a lot of data in the form of some custom zobjects representing contacts, calendar items, and posts to discussion boards. If I put these objects in folders on the root level, how do I access them from dtml methods somewhere else? Or am I going about this all wrong? ----------------- Building highways to reduce traffic is like loosening your belt to reduce obesity

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RE: [Zope] Quickstart problems...
by addyd＠unk.edu 22 Jun '00

22 Jun '00

Brian, Thanks for the quick reply. What is the procedure for upgrading to beta 2? Relatively painless? Is there an Uninstall I will need to do for beta 1? Also, it appears that How-To: Zope2, IIS, and PCGI ( http://www.zope.org/Members/brianh/iis_howto/index_html ) is outdated (if you install the Zope .exe). It appears to be unnecessary now. Would someone confirm? Darren Addy Internet Specialist and Interim Web Presence Coordinator Office of Information Technology Services University of Nebraska at Kearney

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RE: [Zope] Quickstart problems...
by Brian Lloyd 22 Jun '00

22 Jun '00

> > Do I have something misconfigured, or is Quickstart broken with latest > beta? > > > Darren Addy Darren - The QuickStart was broken in beta 1. Its fixed in beta 2 (out late today or early tomorrow). Brian Lloyd brian(a)digicool.com Software Engineer 540.371.6909 Digital Creations http://www.digicool.com

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ZODBC DA Fails to show in installed products.
by RMarkman＠meriwest.com 22 Jun '00

22 Jun '00

I just installed Zope 2.1.6 and the ZODBCDA (ZODBCDA-3.1.0b2-win32-x86.tgz). After unpacking into the lib tree, ZODBC doen't show as an installed product. I've stopped and started the service, rebooted, etc. There is no entry for the ZODBCDA in product management, thus no way to look at the traceback log. Any ideas? A Newbie to Zope, Russ

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Quickstart problems...
by addyd＠unk.edu 22 Jun '00

22 Jun '00

Hi all, Recently set up my first IIS server. Installed ActivePerl and Python. Installed latest Zope beta. Restarted and looked good to go. Got the "Welcome to Zope" page at: http://xanadu.unk.edu:8080/ Click on the "QuickStart" link. Good. Click on any tree symbol "+". Good. Click on any next level down tree symbol: Zope Error: Error Type: TypeError Error Value: len() of unsized object Source says (Greek to me, at this point):  Do I have something misconfigured, or is Quickstart broken with latest beta? Darren Addy Internet Specialist and Interim Web Presence Coordinator Office of Information Technology Services University of Nebraska at Kearney

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one more way to make advertisement :)
by Vitaly Osipov 22 Jun '00

22 Jun '00

now Zope is even more famous :))) http://www.securityfocus.com/bid/1354 but i do not see any exploits there... i'd like to know about details - seems like i'll have to dig into code to reproduce the thing. regards, Vitaly.

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